Home / 25,712.18-38,569.41-9,072.35

Finding the Fourth Proportional to 25,712.18, 38,569.41 and 9,072.35

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Solution

The fourth proportional to 25,712.18, 38,569.41 and 9,072.35 is: 13,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,712.18 : 38,569.41 = 9,072.35 : x
  2. Step 2: Convert to fraction form
    25,712.18/38,569.41 = 9,072.35/x
  3. Step 3: Cross multiply
    25,712.18x = 38,569.41 × 9,072.35
  4. Step 4: Simplify right side
    25,712.18x = 349,915,186.81
  5. Step 5: Solve for x
    x = 349,915,186.81/25,712.18
  6. Step 6: Final answer
    x = 13,608.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.